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Annotation of src/external/gpl3/binutils.old/dist/ld/emultempl/riscvelf.em, Revision 1.1.1.1

1.1       christos    1: # This shell script emits a C file. -*- C -*-
                      2: #   Copyright 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
                      3: #
                      4: # This file is part of the GNU Binutils.
                      5: #
                      6: # This program is free software; you can redistribute it and/or modify
                      7: # it under the terms of the GNU General Public License as published by
                      8: # the Free Software Foundation; either version 3 of the License, or
                      9: # (at your option) any later version.
                     10: #
                     11: # This program is distributed in the hope that it will be useful,
                     12: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: # GNU General Public License for more details.
                     15: #
                     16: # You should have received a copy of the GNU General Public License
                     17: # along with this program; if not, write to the Free Software
                     18: # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
                     19: # MA 02110-1301, USA.
                     20:
                     21: fragment <<EOF
                     22:
                     23: #include "ldmain.h"
                     24: #include "ldctor.h"
                     25: #include "elf/riscv.h"
                     26: #include "elfxx-riscv.h"
                     27:
                     28: static void
                     29: riscv_elf_before_allocation (void)
                     30: {
                     31:   gld${EMULATION_NAME}_before_allocation ();
                     32:
                     33:   if (link_info.discard == discard_sec_merge)
                     34:     link_info.discard = discard_l;
                     35:
                     36:   /* We always need at least some relaxation to handle code alignment.  */
                     37: #if 0
                     38:   if (RELAXATION_DISABLED_BY_USER)
                     39:     TARGET_ENABLE_RELAXATION;
                     40:   else
                     41: #endif
                     42:     ENABLE_RELAXATION;
                     43:
                     44:   link_info.relax_pass = 2;
                     45: }
                     46:
                     47: static void
                     48: gld${EMULATION_NAME}_after_allocation (void)
                     49: {
                     50:   int need_layout = 0;
                     51:
                     52:   /* Don't attempt to discard unused .eh_frame sections until the final link,
                     53:      as we can't reliably tell if they're used until after relaxation.  */
                     54:   if (!link_info.relocatable)
                     55:     {
                     56:       need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
                     57:       if (need_layout < 0)
                     58:        {
                     59:          einfo ("%X%P: .eh_frame/.stab edit: %E\n");
                     60:          return;
                     61:        }
                     62:     }
                     63:
                     64:   gld${EMULATION_NAME}_map_segments (need_layout);
                     65: }
                     66:
                     67: EOF
                     68:
                     69: LDEMUL_BEFORE_ALLOCATION=riscv_elf_before_allocation
                     70: LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation